®®®® SIIA Público

Título del libro: New Quests In Stellar Astrophysics Iii: A Panchromatic View Of Solar-Like Stars, With And Without Planets
Título del capítulo: Solar-like Oscillations in the Stars MC 5390438 and KIC 5701829 Observed by Kepler

Autores UNAM:
LESTER IVAN FOX MACHADO;
Autores externos:

Idioma:

Año de publicación:
2013
Palabras clave:

MT. SUHORA SURVEY; ASTEROSEISMOLOGY; MISSION


Resumen:

The preliminary results of an analysis of the KIC 5390438 and KIC 5701829 light curves are presented. The variations of these stars were detected by Baran et al. (2011a) in a search for pulsating M dwarfs in the Kepler public database. The objects have been observed by the Kepler spacecraft during the Q2 and Q3 runs in a short-candence mode (integration time of similar to 1 min). A Fourier analysis of the time series data has been performed by using the PERIODO4 package. The resulting power spectrum of each star shows a clear excess of power in the frequency range 100 and 350,mu Hz with a sequence of spaced peaks typical of solar-like oscillations. A rough estimation of the large and small separations has been obtained. Spectroscopic observations secured at the Observatorio Astronomico Nacional in San Pedro Martir allowed us to derive a spectral classification K2III and K0111 for KIC 5390438 and KIC 5701829, respectively. Thus, KIC 5390438 and KIC 5701829 have been identified as solar-like oscillating red giant stars.


Entidades citadas de la UNAM: